The Elna HD Black Overlocker sewing machine is a heavy duty overlocker that is perfect for beginner sewers. With a metal body and powerful motor, this machine is built to last. The HD Black has a variety of features that make it easy to use, including a differential feed ratio of 0.5 to 2.25, 4-thread overlock, and an adjustable cutting width of up to 7.3 mm. The included differential feed eliminates puckering and stretching while the adjustable cutting width allows you to create precise seams. Whether you're a beginner or a professional sewer, the Elna HD Black Overlocker is sure to meet your needs.